21001 MRダンパーによる非線形特性を考慮した複数連結ビルの地震応答制御(実システムのモデリングと制御(1):建物制振,OS2 実システムのモデリングと制御)

概要

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Semi-active control for civil structure has been studied recent years, because it achieves as high performance as active control with less energy consumption. However, nonlinear characteristics such as hysteresis loop of a semi-active control unit make the control system design difficult. While control method taking account of nonlinear characteristics has not been established yet. This research proposes a new design method for semi-active optimal control system. We use a MR damper as an actuator and apply a nonlinear control theory taking account of the nonlinear characteristics. In this method, the optimal, damping coefficient for the MR damper could be explicitly obtained without "clipping". Proposed approach is applied to vibration control of multi buildings connected with the MR damper. Effectiveness of the presented controller and MR damper is examined through simulation and experiment under random and earthquake wave excitations.
2006-03-09